| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
| conglomerate, in geology |
| in geology, sedimentary rock composed largely of pebbles or other rounded particles whose diameter is larger than 2 mm (.08 in.). Essentially a cemented gravel, conglomerates are formed along beaches, as glacial drift, and in river deposits. Conglomerates formed of angular shaped pebbles are called breccias. |
| The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
| CONTENTS · INDEX · GUIDE · BIBLIOGRAPHIC RECORD | ||||
 | ||||
| ||||
| ||||
| ||||
| Click here to shop the Bartleby Bookstore. | ||||
| ||||
| Welcome · Press · Advertising · Linking · Terms of Use · © 2008 Bartleby.com | ||||
